Nova Ophiuchi 1993 and Nova Aquilae 1993
Abstract
R. W. Argyle and L. V. Morrison, Royal Greenwich Observatory, report accurate positions for N Oph 1993 and N Aql 1993 obtained with the Carlsberg Automatic Meridian Circle on La Palma, operated by J. L. Muinos, D. W. Evans, P. Jensen, and B. Jensen. In both cases, the observed positions are given for equinox J2000.0, FK5 reference frame, and epoch 1993.45: N Oph 1993, R.A. = 17h25m06s.410 +/- 0s.006, Decl. = -23 11'11".10 +/- 0".08 ( corresponding 1950.0 position: R.A. = 17h22m04s.396, Decl. = -23 08'32".55); N Aql 1993, R.A. = 19h13m06s.804 +/- 0s.003, Decl. = +1 34'23".33 +/- 0".05 (corresponding 1950.0 position: R.A. = 19h10m34s.712, Decl. = +1 29'14".29). J. Elias, Cerro Tololo Interamerican Observatory (CTIO), communicates that infrared spectrograms of Nova Aql 1993, taken on July 14.1 UT by D. DePoy, R. Blum, and K. Sellgren (Ohio State University), H. Tirado (CTIO), and himself with the OSU Infrared Imager Spectrometer on the CTIO 4-m telescope show a strong, red continuum in the H and K bands, probably indicative of dust formation. Emission lines of H I, He I 1083.0-nm, and O I 1128.7-nm are also present.
- Publication:
-
International Astronomical Union Circular
- Pub Date:
- July 1993
- Bibcode:
- 1993IAUC.5831....2A